﻿// Copyright 2008 Chris Varley (http://www.contractdriven.net/)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.


namespace ContractDriven.CommonAssertions
{
    
    #region SameAssertion
    public class SameAssertion : IAssertion
    {
        #region Members
        public object Expected { get; protected set; }
        public object Actual { get; protected set; }
        #endregion

        public SameAssertion(object expected, object actual)
        {
            Contract.Require(Assert.IsNotNull(expected));
            Contract.Require(Assert.IsNotNull(actual));

            Expected = expected;
            Actual = actual;
        }

        #region IAssertion Members

        public string FailureDescription
        {
            get { return "SameAssertion Failure"; }
        }

        public bool Eval()
        {
            return object.ReferenceEquals(Expected, Actual);
        }

        #endregion
    }
    #endregion
}
